Jeff Garzik wrote:
> On Mon, Nov 21, 2005 at 10:15:11AM -0800, Raz Ben-Jehuda(caro)
> wrote:
> 
>> Well , i have tested the disk with a new tester i have written.
>> it seems that the ata driver causes the high cpu and not raid.
> 
> Which drivers are you using?  lspci and kernel .config?

And have you turned on DMA?

hdparm /dev/hda

--Gil
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